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Basement Waterproofing

Basement Waterproofing. OBJECTIVES. To gain a better understanding about membrane system To know about the various brand of membranes Practical Applications Enjoy yourself. Discuss basement waterproofing using membrane system with case studies. Tanking Protection. External Tanking

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Basement Waterproofing

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  1. Basement Waterproofing

  2. OBJECTIVES • To gain a better understanding about membrane system • To know about the various brand of membranes • Practical Applications • Enjoy yourself

  3. Discuss basementwaterproofing using membrane system with case studies

  4. Tanking Protection External Tanking Reversed Tanking Sandwiched Tanking Internal Tanking

  5. Case Study Emery Point Condominium

  6. Emery Point Condo • Residential Condominium Development • One 19-storey block (51 units) • Two basement carparks • Other ancillary facilities

  7. Emery Point Condo • Along Ipoh Road • Old landed properties • Other high-rise condominiums • Madrasah Maarif Islamiah (Islamic School)

  8. SITE LOCATION PLAN IPOH LANE Madrasah Maarif Islamiah 30, Ipoh Lane 15, 17, 19, & 21 Thiam Siew Ave

  9. Emery Point Condo External Tanking using ELASTO-DECK B.T. Polyurethane Elastomeric Waterproof Membrane

  10. 2 LEVEL OF BASEMENT 2625 2500 SINGLE LEVEL BASEMENT MADRASAH MAARIF ISLAMIAH BH1 BH2 BH3 BH4 30, IPOH LANE 5M UPPER MARINE CLAY STIFF CLAY 17M LOWER MARINE CLAY SILT STONE LOWER STIFF CLAY 50M

  11. Preparation for Membrane Laying

  12. Membrane Laying Process

  13. Membrane Laying at Corner

  14. Backfilling

  15. Reasons • Curing not dependent on atmosphere moisture • Cheaper to install • Non health hazardous • Rectification

  16. Overall view of site

  17. Dewatering pump

  18. Railing and safety net

  19. Working Space for layingmembrane

  20. Temporary Sheet Piling Working Space for laying membrane Working Space for laying membrane

  21. Working Space for laying membrane

  22. Waterstop

  23. Waterstop

  24. Waterstop

  25. Steel Formwork Piercing Into Wall Lift core

  26. Screw Lift core

  27. Holes formed by Steel Formwork

  28. Waterproof membrane Spindler Pins The membrane

  29. Closer view of the membrane

  30. Protection board Backfill

  31. What are the Types of Membranes?

  32. Sheet Membranes • Bitumenised fabric sheets •    Polymeric sheet membrane •    Elastomeric rubber sheet •    Bitumenised laminated boards

  33. Application of the Sheet Membranes • Torching • Bonding compounds • Self-adhesive membranes

  34. Liquid Membranes Polyurethane Epoxy Acrylic Emulsions Bentonite Clay Active Membranes Mastic Asphalt Membranes Cementitious Renders, Toppings and Coatings

  35. How are they used?

  36. External Tanking Membrane placed outside structural wall

  37. External Tanking

  38. External Tanking

  39. Reversed Tanking Membrane applied to a surface prior to the construction of the structural elements against it

  40. Sandwiched Tanking Membrane placed in between two structural walls

  41. Internal Tanking Membrane applied inside of structural wall

  42. Internal tanking

  43. Internal tanking-sectional view

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